Past tense of redefine

regular verb

The past tense of redefine is redefined. The past participle is also redefined.

Forms of redefine

The computer game Half-Life redefined the first-person shooter genre.From the entry genre
The film The Matrix redefined what a cyberpunk looked like.From the entry cyberpunk
Friday’s vote has permanently redefined the kilogram and sent Le Grand K into retirement.2018 November 13, Matthew Robinson and Lianne Kolirin, “The world has just redefined the kilogram”, in CNN. From the entry vote
In one brave and defiant performance, she redefined the patriarchal constructions of beauty, femininity, and womynhood for all who saw her.2008, Laurie J Kendall, The Michigan Womyn's Music Festival. From the entry womynhood
Big Pharma has redefined the symptomatology of medical conditions in such a way as to expand enormously the market for its drugs.2012, James Le Fanu, “Bitter Pills to Swallow”, in Literary Review, number 399. From the entry symptomatology

verb To define again or differently.
verb To give a new or different definition to (a word).
verb To define a previously defined area of storage etc. in a different manner, e.g. changing it from textual to numeric.

What is the past tense of redefine?: The past tense of redefine is redefined.
What is the past participle of redefine?: The past participle of redefine is redefined.
Is redefine a regular or irregular verb?: Redefine is a regular verb: its past tense adds -d.

Adapted from Wiktionary: redefine (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Cite this page: “Past tense of redefine.” Word.ws, https://word.ws/past-tense/redefine. Based on Wiktionary, CC BY-SA 4.0.